TY  - BOOK
AU  - Harrison,K.David
TI  - The last speakers: the quest to save the world´s most endangered languages 
SN  - 1426204612
U1  - 408.9 
PY  - 2010///
CY  - Washington, D.C.
PB  - National Geographic
KW  - Lenguas en peligro
KW  - Sociolingüística
N1  - Incluye bibliografía (p. 281-293); Becoming a linguist -- Siberia calling -- The power of words -- Where the hotspots are -- Finding hidden languages -- Six degrees of language -- How do stories survive? -- Breaking out in song -- When a world is running down -- Saving languages
ER  -